/Engine/Plugins/Runtime/NetworkPredictionExtras/Source/NetworkPredictionExtras/Public/CharacterMotionSimulation.h
State the client generates.
struct FCharacterMotionInputCmd
FVector
MovementInput
FRotator
RotationInput
Input: "pure" input for this frame. At this level, frame time has not been accounted for. (E.g., "move straight" would be (1,0,0) regardless of frame time)